Update freshness of community content

[sdwheeler]

PR Summary

• Fixes AB#411142

A simple review was done for the files in reference/docs-conceptual/community.

A full Acrolinx edit was done for the files in reference/docs-conceptual/community/contributing.

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit eeb1d03:

✅ Validation status: passed

File	Status	Preview URL	Details
.gitignore	✅Succeeded
reference/docs-conceptual/community/2020-updates.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/2021-updates.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/2022-updates.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/2023-updates.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/2024-updates.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/community-support.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/community-update.yml	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/editorial-checklist.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/file-an-issue.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/general-markdown.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/get-started-writing.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/hackathons.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/labelling-in-github.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/managing-issues.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/managing-pull-requests.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/overview.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/powershell-style-guide.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/product-terminology.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/pull-requests.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/quality-improvements.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/contributing/using-github-codespaces.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/community/digital-art.md	✅Succeeded	View (>=powershell-5.1)

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